<%--
  Created by IntelliJ IDEA.
  User: 12
  Date: 2023/3/1
  Time: 17:16
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--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>session对象</title>
</head>
<body>
    <%
        session.setAttribute("username","法外狂徒张三");
        session.removeAttribute("username");
    %>
</body>
</html>
